0.007765
0.000000
0.005363
0.000000
0.014507
0.000000
0.000000
0.000000
0.010847
0.00000
0.00000
0.00000
Doyle, D.A.
Cabral, J.M.
Pfuetzner, R.A.
Kuo, A.
Gulbis, J.M.
Cohen, S.L.
Chait, B.T.
Mackinnon, R.
http://mmcif.pdb.org/dictionaries/ascii/mmcif_pdbx.dic
16
90.00
124.63
90.00
128.780
68.930
112.040
C3 H7 N O2
89.093
y
ALANINE
L-peptide linking
C6 H15 N4 O2 1
175.209
y
ARGININE
L-peptide linking
C4 H7 N O4
133.103
y
ASPARTIC ACID
L-peptide linking
C3 H7 N O2 S
121.158
y
CYSTEINE
L-peptide linking
C5 H10 N2 O3
146.144
y
GLUTAMINE
L-peptide linking
C5 H9 N O4
147.129
y
GLUTAMIC ACID
L-peptide linking
C2 H5 N O2
75.067
y
GLYCINE
peptide linking
C6 H10 N3 O2 1
156.162
y
HISTIDINE
L-peptide linking
H2 O
18.015
WATER
non-polymer
C6 H13 N O2
131.173
y
ISOLEUCINE
L-peptide linking
K 1
39.098
POTASSIUM ION
non-polymer
C6 H13 N O2
131.173
y
LEUCINE
L-peptide linking
C5 H11 N O2 S
149.211
y
METHIONINE
L-peptide linking
C9 H11 N O2
165.189
y
PHENYLALANINE
L-peptide linking
C5 H9 N O2
115.130
y
PROLINE
L-peptide linking
C3 H7 N O3
105.093
y
SERINE
L-peptide linking
C4 H9 N O3
119.119
y
THREONINE
L-peptide linking
C11 H12 N2 O2
204.225
y
TRYPTOPHAN
L-peptide linking
C9 H11 N O3
181.189
y
TYROSINE
L-peptide linking
C5 H11 N O2
117.146
y
VALINE
L-peptide linking
N
1
N
N
N
2
S
C
N
3
N
C
N
4
N
O
N
5
N
C
N
6
N
O
N
7
N
H
N
8
N
H
N
9
N
H
N
10
N
H
N
11
N
H
N
12
N
H
N
13
N
H
N
14
N
N
N
15
S
C
N
16
N
C
N
17
N
O
N
18
N
C
N
19
N
C
N
20
N
C
N
21
N
N
N
22
N
C
N
23
N
N
N
24
N
N
N
25
N
O
N
26
N
H
N
27
N
H
N
28
N
H
N
29
N
H
N
30
N
H
N
31
N
H
N
32
N
H
N
33
N
H
N
34
N
H
N
35
N
H
N
36
N
H
N
37
N
H
N
38
N
H
N
39
N
H
N
40
N
H
N
41
N
N
N
42
S
C
N
43
N
C
N
44
N
O
N
45
N
C
N
46
N
C
N
47
N
O
N
48
N
O
N
49
N
O
N
50
N
H
N
51
N
H
N
52
N
H
N
53
N
H
N
54
N
H
N
55
N
H
N
56
N
H
N
57
N
N
N
58
R
C
N
59
N
C
N
60
N
O
N
61
N
C
N
62
N
S
N
63
N
O
N
64
N
H
N
65
N
H
N
66
N
H
N
67
N
H
N
68
N
H
N
69
N
H
N
70
N
H
N
71
N
N
N
72
S
C
N
73
N
C
N
74
N
O
N
75
N
C
N
76
N
C
N
77
N
C
N
78
N
O
N
79
N
N
N
80
N
O
N
81
N
H
N
82
N
H
N
83
N
H
N
84
N
H
N
85
N
H
N
86
N
H
N
87
N
H
N
88
N
H
N
89
N
H
N
90
N
H
N
91
N
N
N
92
S
C
N
93
N
C
N
94
N
O
N
95
N
C
N
96
N
C
N
97
N
C
N
98
N
O
N
99
N
O
N
100
N
O
N
101
N
H
N
102
N
H
N
103
N
H
N
104
N
H
N
105
N
H
N
106
N
H
N
107
N
H
N
108
N
H
N
109
N
H
N
110
N
N
N
111
N
C
N
112
N
C
N
113
N
O
N
114
N
O
N
115
N
H
N
116
N
H
N
117
N
H
N
118
N
H
N
119
N
H
N
120
N
N
N
121
S
C
N
122
N
C
N
123
N
O
N
124
N
C
Y
125
N
C
Y
126
N
N
Y
127
N
C
Y
128
N
C
Y
129
N
N
N
130
N
O
N
131
N
H
N
132
N
H
N
133
N
H
N
134
N
H
N
135
N
H
N
136
N
H
N
137
N
H
N
138
N
H
N
139
N
H
N
140
N
H
N
141
N
O
N
142
N
H
N
143
N
H
N
144
N
N
N
145
S
C
N
146
N
C
N
147
N
O
N
148
S
C
N
149
N
C
N
150
N
C
N
151
N
C
N
152
N
O
N
153
N
H
N
154
N
H
N
155
N
H
N
156
N
H
N
157
N
H
N
158
N
H
N
159
N
H
N
160
N
H
N
161
N
H
N
162
N
H
N
163
N
H
N
164
N
H
N
165
N
H
N
166
N
K
N
167
N
N
N
168
S
C
N
169
N
C
N
170
N
O
N
171
N
C
N
172
N
C
N
173
N
C
N
174
N
C
N
175
N
O
N
176
N
H
N
177
N
H
N
178
N
H
N
179
N
H
N
180
N
H
N
181
N
H
N
182
N
H
N
183
N
H
N
184
N
H
N
185
N
H
N
186
N
H
N
187
N
H
N
188
N
H
N
189
N
N
N
190
S
C
N
191
N
C
N
192
N
O
N
193
N
C
N
194
N
C
N
195
N
S
N
196
N
C
N
197
N
O
N
198
N
H
N
199
N
H
N
200
N
H
N
201
N
H
N
202
N
H
N
203
N
H
N
204
N
H
N
205
N
H
N
206
N
H
N
207
N
H
N
208
N
H
N
209
N
N
N
210
S
C
N
211
N
C
N
212
N
O
N
213
N
C
Y
214
N
C
Y
215
N
C
Y
216
N
C
Y
217
N
C
Y
218
N
C
Y
219
N
C
N
220
N
O
N
221
N
H
N
222
N
H
N
223
N
H
N
224
N
H
N
225
N
H
N
226
N
H
N
227
N
H
N
228
N
H
N
229
N
H
N
230
N
H
N
231
N
H
N
232
N
N
N
233
S
C
N
234
N
C
N
235
N
O
N
236
N
C
N
237
N
C
N
238
N
C
N
239
N
O
N
240
N
H
N
241
N
H
N
242
N
H
N
243
N
H
N
244
N
H
N
245
N
H
N
246
N
H
N
247
N
H
N
248
N
H
N
249
N
N
N
250
S
C
N
251
N
C
N
252
N
O
N
253
N
C
N
254
N
O
N
255
N
O
N
256
N
H
N
257
N
H
N
258
N
H
N
259
N
H
N
260
N
H
N
261
N
H
N
262
N
H
N
263
N
N
N
264
S
C
N
265
N
C
N
266
N
O
N
267
R
C
N
268
N
O
N
269
N
C
N
270
N
O
N
271
N
H
N
272
N
H
N
273
N
H
N
274
N
H
N
275
N
H
N
276
N
H
N
277
N
H
N
278
N
H
N
279
N
H
N
280
N
N
N
281
S
C
N
282
N
C
N
283
N
O
N
284
N
C
Y
285
N
C
Y
286
N
C
Y
287
N
C
Y
288
N
N
Y
289
N
C
Y
290
N
C
Y
291
N
C
Y
292
N
C
Y
293
N
C
N
294
N
O
N
295
N
H
N
296
N
H
N
297
N
H
N
298
N
H
N
299
N
H
N
300
N
H
N
301
N
H
N
302
N
H
N
303
N
H
N
304
N
H
N
305
N
H
N
306
N
H
N
307
N
N
N
308
S
C
N
309
N
C
N
310
N
O
N
311
N
C
Y
312
N
C
Y
313
N
C
Y
314
N
C
Y
315
N
C
Y
316
N
C
Y
317
N
C
N
318
N
O
N
319
N
O
N
320
N
H
N
321
N
H
N
322
N
H
N
323
N
H
N
324
N
H
N
325
N
H
N
326
N
H
N
327
N
H
N
328
N
H
N
329
N
H
N
330
N
H
N
331
N
N
N
332
S
C
N
333
N
C
N
334
N
O
N
335
N
C
N
336
N
C
N
337
N
C
N
338
N
O
N
339
N
H
N
340
N
H
N
341
N
H
N
342
N
H
N
343
N
H
N
344
N
H
N
345
N
H
N
346
N
H
N
347
N
H
N
348
N
H
N
349
N
H
N
1
N
sing
N
2
N
sing
N
3
N
sing
N
4
N
sing
N
5
N
sing
N
6
N
sing
N
7
N
doub
N
8
N
sing
N
9
N
sing
N
10
N
sing
N
11
N
sing
N
12
N
sing
N
13
N
sing
N
14
N
sing
N
15
N
sing
N
16
N
sing
N
17
N
sing
N
18
N
sing
N
19
N
doub
N
20
N
sing
N
21
N
sing
N
22
N
sing
N
23
N
sing
N
24
N
sing
N
25
N
sing
N
26
N
sing
N
27
N
sing
N
28
N
sing
N
29
N
sing
N
30
N
sing
N
31
N
sing
N
32
N
sing
N
33
N
doub
N
34
N
sing
N
35
N
sing
N
36
N
sing
N
37
N
sing
N
38
N
sing
N
39
N
sing
N
40
N
sing
N
41
N
sing
N
42
N
sing
N
43
N
sing
N
44
N
sing
N
45
N
doub
N
46
N
sing
N
47
N
sing
N
48
N
sing
N
49
N
sing
N
50
N
doub
N
51
N
sing
N
52
N
sing
N
53
N
sing
N
54
N
sing
N
55
N
sing
N
56
N
sing
N
57
N
sing
N
58
N
sing
N
59
N
sing
N
60
N
doub
N
61
N
sing
N
62
N
sing
N
63
N
sing
N
64
N
sing
N
65
N
sing
N
66
N
sing
N
67
N
sing
N
68
N
sing
N
69
N
sing
N
70
N
sing
N
71
N
sing
N
72
N
sing
N
73
N
doub
N
74
N
sing
N
75
N
sing
N
76
N
sing
N
77
N
sing
N
78
N
sing
N
79
N
sing
N
80
N
sing
N
81
N
doub
N
82
N
sing
N
83
N
sing
N
84
N
sing
N
85
N
sing
N
86
N
sing
N
87
N
sing
N
88
N
sing
N
89
N
sing
N
90
N
sing
N
91
N
sing
N
92
N
doub
N
93
N
sing
N
94
N
sing
N
95
N
sing
N
96
N
sing
N
97
N
sing
N
98
N
sing
N
99
N
sing
N
100
N
doub
N
101
N
sing
N
102
N
sing
N
103
N
sing
N
104
N
sing
N
105
N
sing
N
106
N
sing
N
107
N
sing
N
108
N
sing
N
109
N
sing
N
110
N
doub
N
111
N
sing
N
112
N
sing
N
113
N
sing
N
114
N
sing
N
115
N
sing
N
116
N
sing
N
117
N
sing
N
118
N
sing
N
119
N
doub
N
120
N
sing
N
121
N
sing
N
122
N
sing
N
123
N
sing
Y
124
N
sing
Y
125
N
doub
Y
126
N
doub
N
127
N
sing
Y
128
N
sing
N
129
N
sing
Y
130
N
sing
N
131
N
sing
N
132
N
sing
N
133
N
sing
N
134
N
sing
N
135
N
sing
N
136
N
sing
N
137
N
sing
N
138
N
sing
N
139
N
sing
N
140
N
sing
N
141
N
sing
N
142
N
doub
N
143
N
sing
N
144
N
sing
N
145
N
sing
N
146
N
sing
N
147
N
sing
N
148
N
sing
N
149
N
sing
N
150
N
sing
N
151
N
sing
N
152
N
sing
N
153
N
sing
N
154
N
sing
N
155
N
sing
N
156
N
sing
N
157
N
sing
N
158
N
sing
N
159
N
sing
N
160
N
sing
N
161
N
sing
N
162
N
sing
N
163
N
doub
N
164
N
sing
N
165
N
sing
N
166
N
sing
N
167
N
sing
N
168
N
sing
N
169
N
sing
N
170
N
sing
N
171
N
sing
N
172
N
sing
N
173
N
sing
N
174
N
sing
N
175
N
sing
N
176
N
sing
N
177
N
sing
N
178
N
sing
N
179
N
sing
N
180
N
sing
N
181
N
sing
N
182
N
sing
N
183
N
sing
N
184
N
doub
N
185
N
sing
N
186
N
sing
N
187
N
sing
N
188
N
sing
N
189
N
sing
N
190
N
sing
N
191
N
sing
N
192
N
sing
N
193
N
sing
N
194
N
sing
N
195
N
sing
N
196
N
sing
N
197
N
sing
N
198
N
sing
N
199
N
sing
N
200
N
sing
N
201
N
sing
N
202
N
sing
N
203
N
doub
N
204
N
sing
N
205
N
sing
N
206
N
sing
N
207
N
sing
Y
208
N
doub
Y
209
N
sing
Y
210
N
sing
N
211
N
sing
Y
212
N
doub
N
213
N
sing
Y
214
N
doub
N
215
N
sing
Y
216
N
sing
N
217
N
sing
N
218
N
sing
N
219
N
sing
N
220
N
sing
N
221
N
sing
N
222
N
sing
N
223
N
sing
N
224
N
sing
N
225
N
sing
N
226
N
doub
N
227
N
sing
N
228
N
sing
N
229
N
sing
N
230
N
sing
N
231
N
sing
N
232
N
sing
N
233
N
sing
N
234
N
sing
N
235
N
sing
N
236
N
sing
N
237
N
sing
N
238
N
sing
N
239
N
sing
N
240
N
sing
N
241
N
sing
N
242
N
sing
N
243
N
doub
N
244
N
sing
N
245
N
sing
N
246
N
sing
N
247
N
sing
N
248
N
sing
N
249
N
sing
N
250
N
sing
N
251
N
sing
N
252
N
sing
N
253
N
sing
N
254
N
sing
N
255
N
sing
N
256
N
doub
N
257
N
sing
N
258
N
sing
N
259
N
sing
N
260
N
sing
N
261
N
sing
N
262
N
sing
N
263
N
sing
N
264
N
sing
N
265
N
sing
N
266
N
sing
N
267
N
sing
N
268
N
sing
N
269
N
sing
N
270
N
sing
N
271
N
sing
N
272
N
doub
N
273
N
sing
N
274
N
sing
N
275
N
sing
N
276
N
sing
Y
277
N
doub
Y
278
N
sing
Y
279
N
sing
N
280
N
sing
Y
281
N
doub
Y
282
N
sing
Y
283
N
sing
N
284
N
sing
Y
285
N
sing
Y
286
N
doub
N
287
N
sing
Y
288
N
doub
N
289
N
sing
Y
290
N
sing
N
291
N
sing
N
292
N
sing
N
293
N
sing
N
294
N
sing
N
295
N
sing
N
296
N
sing
N
297
N
sing
N
298
N
sing
N
299
N
sing
N
300
N
doub
N
301
N
sing
N
302
N
sing
N
303
N
sing
N
304
N
sing
Y
305
N
doub
Y
306
N
sing
Y
307
N
sing
N
308
N
sing
Y
309
N
doub
N
310
N
sing
Y
311
N
doub
N
312
N
sing
Y
313
N
sing
N
314
N
sing
N
315
N
sing
N
316
N
sing
N
317
N
sing
N
318
N
sing
N
319
N
sing
N
320
N
sing
N
321
N
sing
N
322
N
sing
N
323
N
sing
N
324
N
doub
N
325
N
sing
N
326
N
sing
N
327
N
sing
N
328
N
sing
N
329
N
sing
N
330
N
sing
N
331
N
sing
N
332
N
sing
N
333
N
sing
N
334
N
sing
N
335
N
sing
US
Science
SCIEAS
0038
0036-8075
280
69
77
10.1126/science.280.5360.69
9525859
The structure of the potassium channel: molecular basis of K+ conduction and selectivity.
1998
10.2210/pdb1bl8/pdb
pdb_00001bl8
1.000000
0.000000
0.000000
0.000000
1.000000
0.000000
0.000000
0.000000
1.000000
0.00000
0.00000
0.00000
100
1
CCD
PRINCETON 2K
SINGLE WAVELENGTH
M
x-ray
1
0.908
1.0
A1
CHESS
0.908
SYNCHROTRON
CHESS BEAMLINE A1
10252.959
PROTEIN (POTASSIUM CHANNEL PROTEIN)
L90C
4
man
polymer
39.098
POTASSIUM ION
3
syn
non-polymer
18.015
water
1
nat
water
no
no
ALHWRAAGAATVLLVIVLLAGSYLAVLAERGAPGAQLITYPRALWWSVETATTVGYGDLYPVTLWGRCVAVVVMVAGITS
FGLVTAALATWFVGREQ
ALHWRAAGAATVLLVIVLLAGSYLAVLAERGAPGAQLITYPRALWWSVETATTVGYGDLYPVTLWGRCVAVVVMVAGITS
FGLVTAALATWFVGREQ
A,B,C,D
polypeptide(L)
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
Streptomyces
Escherichia
sample
1916
Streptomyces lividans
KCSA
562
Escherichia coli
XL-1 BLUE
PQE60
6
4.99
75.34
7.5
ONE-TO-MIXTURE OF PROTEIN SOLUTION AND RESERVOIR (200 MM CACL2, 100 MM HEPES PH 7.5, 48% PEG 400).
software
database_2
pdbx_struct_conn_angle
struct_conn
struct_ref_seq_dif
struct_site
chem_comp_atom
chem_comp_bond
repository
Initial release
Version format compliance
Derived calculations
Version format compliance
Refinement description
Database references
Derived calculations
Data collection
1
0
1998-07-29
1
1
2007-10-16
1
2
2011-07-13
1
3
2017-10-04
1
4
2021-11-03
1
5
2024-02-07
_software.name
_database_2.pdbx_DOI
_database_2.pdbx_database_accession
_pdbx_struct_conn_angle.ptnr1_auth_asym_id
_pdbx_struct_conn_angle.ptnr1_auth_comp_id
_pdbx_struct_conn_angle.ptnr1_auth_seq_id
_pdbx_struct_conn_angle.ptnr1_label_asym_id
_pdbx_struct_conn_angle.ptnr1_label_atom_id
_pdbx_struct_conn_angle.ptnr1_label_comp_id
_pdbx_struct_conn_angle.ptnr1_label_seq_id
_pdbx_struct_conn_angle.ptnr2_auth_seq_id
_pdbx_struct_conn_angle.ptnr2_label_asym_id
_pdbx_struct_conn_angle.ptnr3_auth_asym_id
_pdbx_struct_conn_angle.ptnr3_auth_comp_id
_pdbx_struct_conn_angle.ptnr3_auth_seq_id
_pdbx_struct_conn_angle.ptnr3_label_asym_id
_pdbx_struct_conn_angle.ptnr3_label_atom_id
_pdbx_struct_conn_angle.ptnr3_label_comp_id
_pdbx_struct_conn_angle.ptnr3_label_seq_id
_pdbx_struct_conn_angle.value
_struct_conn.pdbx_dist_value
_struct_conn.ptnr1_auth_asym_id
_struct_conn.ptnr1_auth_comp_id
_struct_conn.ptnr1_auth_seq_id
_struct_conn.ptnr1_label_asym_id
_struct_conn.ptnr1_label_atom_id
_struct_conn.ptnr1_label_comp_id
_struct_conn.ptnr1_label_seq_id
_struct_conn.ptnr2_auth_asym_id
_struct_conn.ptnr2_auth_comp_id
_struct_conn.ptnr2_auth_seq_id
_struct_conn.ptnr2_label_asym_id
_struct_conn.ptnr2_label_atom_id
_struct_conn.ptnr2_label_comp_id
_struct_conn.ptnr2_label_seq_id
_struct_ref_seq_dif.details
_struct_site.pdbx_auth_asym_id
_struct_site.pdbx_auth_comp_id
_struct_site.pdbx_auth_seq_id
BNL
Y
RCSB
1998-07-23
REL
REL
K
POTASSIUM ION
HOH
water
K
1
2
K
K
401
A
K
2
2
K
K
402
A
K
3
2
K
K
403
A
HOH
1
3
HOH
HOH
500
B
ALA
23
n
1
ALA
23
A
LEU
24
n
2
LEU
24
A
HIS
25
n
3
HIS
25
A
TRP
26
n
4
TRP
26
A
ARG
27
n
5
ARG
27
A
ALA
28
n
6
ALA
28
A
ALA
29
n
7
ALA
29
A
GLY
30
n
8
GLY
30
A
ALA
31
n
9
ALA
31
A
ALA
32
n
10
ALA
32
A
THR
33
n
11
THR
33
A
VAL
34
n
12
VAL
34
A
LEU
35
n
13
LEU
35
A
LEU
36
n
14
LEU
36
A
VAL
37
n
15
VAL
37
A
ILE
38
n
16
ILE
38
A
VAL
39
n
17
VAL
39
A
LEU
40
n
18
LEU
40
A
LEU
41
n
19
LEU
41
A
ALA
42
n
20
ALA
42
A
GLY
43
n
21
GLY
43
A
SER
44
n
22
SER
44
A
TYR
45
n
23
TYR
45
A
LEU
46
n
24
LEU
46
A
ALA
47
n
25
ALA
47
A
VAL
48
n
26
VAL
48
A
LEU
49
n
27
LEU
49
A
ALA
50
n
28
ALA
50
A
GLU
51
n
29
GLU
51
A
ARG
52
n
30
ARG
52
A
GLY
53
n
31
GLY
53
A
ALA
54
n
32
ALA
54
A
PRO
55
n
33
PRO
55
A
GLY
56
n
34
GLY
56
A
ALA
57
n
35
ALA
57
A
GLN
58
n
36
GLN
58
A
LEU
59
n
37
LEU
59
A
ILE
60
n
38
ILE
60
A
THR
61
n
39
THR
61
A
TYR
62
n
40
TYR
62
A
PRO
63
n
41
PRO
63
A
ARG
64
n
42
ARG
64
A
ALA
65
n
43
ALA
65
A
LEU
66
n
44
LEU
66
A
TRP
67
n
45
TRP
67
A
TRP
68
n
46
TRP
68
A
SER
69
n
47
SER
69
A
VAL
70
n
48
VAL
70
A
GLU
71
n
49
GLU
71
A
THR
72
n
50
THR
72
A
ALA
73
n
51
ALA
73
A
THR
74
n
52
THR
74
A
THR
75
n
53
THR
75
A
VAL
76
n
54
VAL
76
A
GLY
77
n
55
GLY
77
A
TYR
78
n
56
TYR
78
A
GLY
79
n
57
GLY
79
A
ASP
80
n
58
ASP
80
A
LEU
81
n
59
LEU
81
A
TYR
82
n
60
TYR
82
A
PRO
83
n
61
PRO
83
A
VAL
84
n
62
VAL
84
A
THR
85
n
63
THR
85
A
LEU
86
n
64
LEU
86
A
TRP
87
n
65
TRP
87
A
GLY
88
n
66
GLY
88
A
ARG
89
n
67
ARG
89
A
CYS
90
n
68
CYS
90
A
VAL
91
n
69
VAL
91
A
ALA
92
n
70
ALA
92
A
VAL
93
n
71
VAL
93
A
VAL
94
n
72
VAL
94
A
VAL
95
n
73
VAL
95
A
MET
96
n
74
MET
96
A
VAL
97
n
75
VAL
97
A
ALA
98
n
76
ALA
98
A
GLY
99
n
77
GLY
99
A
ILE
100
n
78
ILE
100
A
THR
101
n
79
THR
101
A
SER
102
n
80
SER
102
A
PHE
103
n
81
PHE
103
A
GLY
104
n
82
GLY
104
A
LEU
105
n
83
LEU
105
A
VAL
106
n
84
VAL
106
A
THR
107
n
85
THR
107
A
ALA
108
n
86
ALA
108
A
ALA
109
n
87
ALA
109
A
LEU
110
n
88
LEU
110
A
ALA
111
n
89
ALA
111
A
THR
112
n
90
THR
112
A
TRP
113
n
91
TRP
113
A
PHE
114
n
92
PHE
114
A
VAL
115
n
93
VAL
115
A
GLY
116
n
94
GLY
116
A
ARG
117
n
95
ARG
117
A
GLU
118
n
96
GLU
118
A
GLN
119
n
97
GLN
119
A
ALA
23
n
1
ALA
23
B
LEU
24
n
2
LEU
24
B
HIS
25
n
3
HIS
25
B
TRP
26
n
4
TRP
26
B
ARG
27
n
5
ARG
27
B
ALA
28
n
6
ALA
28
B
ALA
29
n
7
ALA
29
B
GLY
30
n
8
GLY
30
B
ALA
31
n
9
ALA
31
B
ALA
32
n
10
ALA
32
B
THR
33
n
11
THR
33
B
VAL
34
n
12
VAL
34
B
LEU
35
n
13
LEU
35
B
LEU
36
n
14
LEU
36
B
VAL
37
n
15
VAL
37
B
ILE
38
n
16
ILE
38
B
VAL
39
n
17
VAL
39
B
LEU
40
n
18
LEU
40
B
LEU
41
n
19
LEU
41
B
ALA
42
n
20
ALA
42
B
GLY
43
n
21
GLY
43
B
SER
44
n
22
SER
44
B
TYR
45
n
23
TYR
45
B
LEU
46
n
24
LEU
46
B
ALA
47
n
25
ALA
47
B
VAL
48
n
26
VAL
48
B
LEU
49
n
27
LEU
49
B
ALA
50
n
28
ALA
50
B
GLU
51
n
29
GLU
51
B
ARG
52
n
30
ARG
52
B
GLY
53
n
31
GLY
53
B
ALA
54
n
32
ALA
54
B
PRO
55
n
33
PRO
55
B
GLY
56
n
34
GLY
56
B
ALA
57
n
35
ALA
57
B
GLN
58
n
36
GLN
58
B
LEU
59
n
37
LEU
59
B
ILE
60
n
38
ILE
60
B
THR
61
n
39
THR
61
B
TYR
62
n
40
TYR
62
B
PRO
63
n
41
PRO
63
B
ARG
64
n
42
ARG
64
B
ALA
65
n
43
ALA
65
B
LEU
66
n
44
LEU
66
B
TRP
67
n
45
TRP
67
B
TRP
68
n
46
TRP
68
B
SER
69
n
47
SER
69
B
VAL
70
n
48
VAL
70
B
GLU
71
n
49
GLU
71
B
THR
72
n
50
THR
72
B
ALA
73
n
51
ALA
73
B
THR
74
n
52
THR
74
B
THR
75
n
53
THR
75
B
VAL
76
n
54
VAL
76
B
GLY
77
n
55
GLY
77
B
TYR
78
n
56
TYR
78
B
GLY
79
n
57
GLY
79
B
ASP
80
n
58
ASP
80
B
LEU
81
n
59
LEU
81
B
TYR
82
n
60
TYR
82
B
PRO
83
n
61
PRO
83
B
VAL
84
n
62
VAL
84
B
THR
85
n
63
THR
85
B
LEU
86
n
64
LEU
86
B
TRP
87
n
65
TRP
87
B
GLY
88
n
66
GLY
88
B
ARG
89
n
67
ARG
89
B
CYS
90
n
68
CYS
90
B
VAL
91
n
69
VAL
91
B
ALA
92
n
70
ALA
92
B
VAL
93
n
71
VAL
93
B
VAL
94
n
72
VAL
94
B
VAL
95
n
73
VAL
95
B
MET
96
n
74
MET
96
B
VAL
97
n
75
VAL
97
B
ALA
98
n
76
ALA
98
B
GLY
99
n
77
GLY
99
B
ILE
100
n
78
ILE
100
B
THR
101
n
79
THR
101
B
SER
102
n
80
SER
102
B
PHE
103
n
81
PHE
103
B
GLY
104
n
82
GLY
104
B
LEU
105
n
83
LEU
105
B
VAL
106
n
84
VAL
106
B
THR
107
n
85
THR
107
B
ALA
108
n
86
ALA
108
B
ALA
109
n
87
ALA
109
B
LEU
110
n
88
LEU
110
B
ALA
111
n
89
ALA
111
B
THR
112
n
90
THR
112
B
TRP
113
n
91
TRP
113
B
PHE
114
n
92
PHE
114
B
VAL
115
n
93
VAL
115
B
GLY
116
n
94
GLY
116
B
ARG
117
n
95
ARG
117
B
GLU
118
n
96
GLU
118
B
GLN
119
n
97
GLN
119
B
ALA
23
n
1
ALA
23
C
LEU
24
n
2
LEU
24
C
HIS
25
n
3
HIS
25
C
TRP
26
n
4
TRP
26
C
ARG
27
n
5
ARG
27
C
ALA
28
n
6
ALA
28
C
ALA
29
n
7
ALA
29
C
GLY
30
n
8
GLY
30
C
ALA
31
n
9
ALA
31
C
ALA
32
n
10
ALA
32
C
THR
33
n
11
THR
33
C
VAL
34
n
12
VAL
34
C
LEU
35
n
13
LEU
35
C
LEU
36
n
14
LEU
36
C
VAL
37
n
15
VAL
37
C
ILE
38
n
16
ILE
38
C
VAL
39
n
17
VAL
39
C
LEU
40
n
18
LEU
40
C
LEU
41
n
19
LEU
41
C
ALA
42
n
20
ALA
42
C
GLY
43
n
21
GLY
43
C
SER
44
n
22
SER
44
C
TYR
45
n
23
TYR
45
C
LEU
46
n
24
LEU
46
C
ALA
47
n
25
ALA
47
C
VAL
48
n
26
VAL
48
C
LEU
49
n
27
LEU
49
C
ALA
50
n
28
ALA
50
C
GLU
51
n
29
GLU
51
C
ARG
52
n
30
ARG
52
C
GLY
53
n
31
GLY
53
C
ALA
54
n
32
ALA
54
C
PRO
55
n
33
PRO
55
C
GLY
56
n
34
GLY
56
C
ALA
57
n
35
ALA
57
C
GLN
58
n
36
GLN
58
C
LEU
59
n
37
LEU
59
C
ILE
60
n
38
ILE
60
C
THR
61
n
39
THR
61
C
TYR
62
n
40
TYR
62
C
PRO
63
n
41
PRO
63
C
ARG
64
n
42
ARG
64
C
ALA
65
n
43
ALA
65
C
LEU
66
n
44
LEU
66
C
TRP
67
n
45
TRP
67
C
TRP
68
n
46
TRP
68
C
SER
69
n
47
SER
69
C
VAL
70
n
48
VAL
70
C
GLU
71
n
49
GLU
71
C
THR
72
n
50
THR
72
C
ALA
73
n
51
ALA
73
C
THR
74
n
52
THR
74
C
THR
75
n
53
THR
75
C
VAL
76
n
54
VAL
76
C
GLY
77
n
55
GLY
77
C
TYR
78
n
56
TYR
78
C
GLY
79
n
57
GLY
79
C
ASP
80
n
58
ASP
80
C
LEU
81
n
59
LEU
81
C
TYR
82
n
60
TYR
82
C
PRO
83
n
61
PRO
83
C
VAL
84
n
62
VAL
84
C
THR
85
n
63
THR
85
C
LEU
86
n
64
LEU
86
C
TRP
87
n
65
TRP
87
C
GLY
88
n
66
GLY
88
C
ARG
89
n
67
ARG
89
C
CYS
90
n
68
CYS
90
C
VAL
91
n
69
VAL
91
C
ALA
92
n
70
ALA
92
C
VAL
93
n
71
VAL
93
C
VAL
94
n
72
VAL
94
C
VAL
95
n
73
VAL
95
C
MET
96
n
74
MET
96
C
VAL
97
n
75
VAL
97
C
ALA
98
n
76
ALA
98
C
GLY
99
n
77
GLY
99
C
ILE
100
n
78
ILE
100
C
THR
101
n
79
THR
101
C
SER
102
n
80
SER
102
C
PHE
103
n
81
PHE
103
C
GLY
104
n
82
GLY
104
C
LEU
105
n
83
LEU
105
C
VAL
106
n
84
VAL
106
C
THR
107
n
85
THR
107
C
ALA
108
n
86
ALA
108
C
ALA
109
n
87
ALA
109
C
LEU
110
n
88
LEU
110
C
ALA
111
n
89
ALA
111
C
THR
112
n
90
THR
112
C
TRP
113
n
91
TRP
113
C
PHE
114
n
92
PHE
114
C
VAL
115
n
93
VAL
115
C
GLY
116
n
94
GLY
116
C
ARG
117
n
95
ARG
117
C
GLU
118
n
96
GLU
118
C
GLN
119
n
97
GLN
119
C
ALA
23
n
1
ALA
23
D
LEU
24
n
2
LEU
24
D
HIS
25
n
3
HIS
25
D
TRP
26
n
4
TRP
26
D
ARG
27
n
5
ARG
27
D
ALA
28
n
6
ALA
28
D
ALA
29
n
7
ALA
29
D
GLY
30
n
8
GLY
30
D
ALA
31
n
9
ALA
31
D
ALA
32
n
10
ALA
32
D
THR
33
n
11
THR
33
D
VAL
34
n
12
VAL
34
D
LEU
35
n
13
LEU
35
D
LEU
36
n
14
LEU
36
D
VAL
37
n
15
VAL
37
D
ILE
38
n
16
ILE
38
D
VAL
39
n
17
VAL
39
D
LEU
40
n
18
LEU
40
D
LEU
41
n
19
LEU
41
D
ALA
42
n
20
ALA
42
D
GLY
43
n
21
GLY
43
D
SER
44
n
22
SER
44
D
TYR
45
n
23
TYR
45
D
LEU
46
n
24
LEU
46
D
ALA
47
n
25
ALA
47
D
VAL
48
n
26
VAL
48
D
LEU
49
n
27
LEU
49
D
ALA
50
n
28
ALA
50
D
GLU
51
n
29
GLU
51
D
ARG
52
n
30
ARG
52
D
GLY
53
n
31
GLY
53
D
ALA
54
n
32
ALA
54
D
PRO
55
n
33
PRO
55
D
GLY
56
n
34
GLY
56
D
ALA
57
n
35
ALA
57
D
GLN
58
n
36
GLN
58
D
LEU
59
n
37
LEU
59
D
ILE
60
n
38
ILE
60
D
THR
61
n
39
THR
61
D
TYR
62
n
40
TYR
62
D
PRO
63
n
41
PRO
63
D
ARG
64
n
42
ARG
64
D
ALA
65
n
43
ALA
65
D
LEU
66
n
44
LEU
66
D
TRP
67
n
45
TRP
67
D
TRP
68
n
46
TRP
68
D
SER
69
n
47
SER
69
D
VAL
70
n
48
VAL
70
D
GLU
71
n
49
GLU
71
D
THR
72
n
50
THR
72
D
ALA
73
n
51
ALA
73
D
THR
74
n
52
THR
74
D
THR
75
n
53
THR
75
D
VAL
76
n
54
VAL
76
D
GLY
77
n
55
GLY
77
D
TYR
78
n
56
TYR
78
D
GLY
79
n
57
GLY
79
D
ASP
80
n
58
ASP
80
D
LEU
81
n
59
LEU
81
D
TYR
82
n
60
TYR
82
D
PRO
83
n
61
PRO
83
D
VAL
84
n
62
VAL
84
D
THR
85
n
63
THR
85
D
LEU
86
n
64
LEU
86
D
TRP
87
n
65
TRP
87
D
GLY
88
n
66
GLY
88
D
ARG
89
n
67
ARG
89
D
CYS
90
n
68
CYS
90
D
VAL
91
n
69
VAL
91
D
ALA
92
n
70
ALA
92
D
VAL
93
n
71
VAL
93
D
VAL
94
n
72
VAL
94
D
VAL
95
n
73
VAL
95
D
MET
96
n
74
MET
96
D
VAL
97
n
75
VAL
97
D
ALA
98
n
76
ALA
98
D
GLY
99
n
77
GLY
99
D
ILE
100
n
78
ILE
100
D
THR
101
n
79
THR
101
D
SER
102
n
80
SER
102
D
PHE
103
n
81
PHE
103
D
GLY
104
n
82
GLY
104
D
LEU
105
n
83
LEU
105
D
VAL
106
n
84
VAL
106
D
THR
107
n
85
THR
107
D
ALA
108
n
86
ALA
108
D
ALA
109
n
87
ALA
109
D
LEU
110
n
88
LEU
110
D
ALA
111
n
89
ALA
111
D
THR
112
n
90
THR
112
D
TRP
113
n
91
TRP
113
D
PHE
114
n
92
PHE
114
D
VAL
115
n
93
VAL
115
D
GLY
116
n
94
GLY
116
D
ARG
117
n
95
ARG
117
D
GLU
118
n
96
GLU
118
D
GLN
119
n
97
GLN
119
D
author_and_software_defined_assembly
PISA,PQS
4
tetrameric
7230
-75
17310
A
THR
75
A
O
THR
53
1_555
A
K
402
F
K
K
1_555
A
VAL
76
A
O
VAL
54
1_555
84.8
A
THR
75
A
O
THR
53
1_555
A
K
402
F
K
K
1_555
A
K
403
G
K
K
1_555
54.6
A
VAL
76
A
O
VAL
54
1_555
A
K
402
F
K
K
1_555
A
K
403
G
K
K
1_555
135.7
A
THR
75
A
O
THR
53
1_555
A
K
402
F
K
K
1_555
B
THR
75
B
O
THR
53
1_555
69.9
A
VAL
76
A
O
VAL
54
1_555
A
K
402
F
K
K
1_555
B
THR
75
B
O
THR
53
1_555
101.5
A
K
403
G
K
K
1_555
A
K
402
F
K
K
1_555
B
THR
75
B
O
THR
53
1_555
52.1
A
THR
75
A
O
THR
53
1_555
A
K
402
F
K
K
1_555
B
VAL
76
B
O
VAL
54
1_555
130.6
A
VAL
76
A
O
VAL
54
1_555
A
K
402
F
K
K
1_555
B
VAL
76
B
O
VAL
54
1_555
58.2
A
K
403
G
K
K
1_555
A
K
402
F
K
K
1_555
B
VAL
76
B
O
VAL
54
1_555
135.1
B
THR
75
B
O
THR
53
1_555
A
K
402
F
K
K
1_555
B
VAL
76
B
O
VAL
54
1_555
85.7
A
THR
75
A
O
THR
53
1_555
A
K
402
F
K
K
1_555
C
THR
75
C
O
THR
53
1_555
108.9
A
VAL
76
A
O
VAL
54
1_555
A
K
402
F
K
K
1_555
C
THR
75
C
O
THR
53
1_555
159.4
A
K
403
G
K
K
1_555
A
K
402
F
K
K
1_555
C
THR
75
C
O
THR
53
1_555
54.4
B
THR
75
B
O
THR
53
1_555
A
K
402
F
K
K
1_555
C
THR
75
C
O
THR
53
1_555
70.5
B
VAL
76
B
O
VAL
54
1_555
A
K
402
F
K
K
1_555
C
THR
75
C
O
THR
53
1_555
101.7
A
THR
75
A
O
THR
53
1_555
A
K
402
F
K
K
1_555
C
VAL
76
C
O
VAL
54
1_555
158.8
A
VAL
76
A
O
VAL
54
1_555
A
K
402
F
K
K
1_555
C
VAL
76
C
O
VAL
54
1_555
86.8
A
K
403
G
K
K
1_555
A
K
402
F
K
K
1_555
C
VAL
76
C
O
VAL
54
1_555
137.4
B
THR
75
B
O
THR
53
1_555
A
K
402
F
K
K
1_555
C
VAL
76
C
O
VAL
54
1_555
131.1
B
VAL
76
B
O
VAL
54
1_555
A
K
402
F
K
K
1_555
C
VAL
76
C
O
VAL
54
1_555
58.0
C
THR
75
C
O
THR
53
1_555
A
K
402
F
K
K
1_555
C
VAL
76
C
O
VAL
54
1_555
84.9
A
THR
75
A
O
THR
53
1_555
A
K
402
F
K
K
1_555
D
THR
75
D
O
THR
53
1_555
70.2
A
VAL
76
A
O
VAL
54
1_555
A
K
402
F
K
K
1_555
D
THR
75
D
O
THR
53
1_555
130.9
A
K
403
G
K
K
1_555
A
K
402
F
K
K
1_555
D
THR
75
D
O
THR
53
1_555
55.9
B
THR
75
B
O
THR
53
1_555
A
K
402
F
K
K
1_555
D
THR
75
D
O
THR
53
1_555
108.0
B
VAL
76
B
O
VAL
54
1_555
A
K
402
F
K
K
1_555
D
THR
75
D
O
THR
53
1_555
158.9
C
THR
75
C
O
THR
53
1_555
A
K
402
F
K
K
1_555
D
THR
75
D
O
THR
53
1_555
69.4
C
VAL
76
C
O
VAL
54
1_555
A
K
402
F
K
K
1_555
D
THR
75
D
O
THR
53
1_555
101.4
A
THR
75
A
O
THR
53
1_555
A
K
402
F
K
K
1_555
D
VAL
76
D
O
VAL
54
1_555
101.5
A
VAL
76
A
O
VAL
54
1_555
A
K
402
F
K
K
1_555
D
VAL
76
D
O
VAL
54
1_555
58.4
A
K
403
G
K
K
1_555
A
K
402
F
K
K
1_555
D
VAL
76
D
O
VAL
54
1_555
138.4
B
THR
75
B
O
THR
53
1_555
A
K
402
F
K
K
1_555
D
VAL
76
D
O
VAL
54
1_555
159.4
B
VAL
76
B
O
VAL
54
1_555
A
K
402
F
K
K
1_555
D
VAL
76
D
O
VAL
54
1_555
86.5
C
THR
75
C
O
THR
53
1_555
A
K
402
F
K
K
1_555
D
VAL
76
D
O
VAL
54
1_555
129.9
C
VAL
76
C
O
VAL
54
1_555
A
K
402
F
K
K
1_555
D
VAL
76
D
O
VAL
54
1_555
57.7
D
THR
75
D
O
THR
53
1_555
A
K
402
F
K
K
1_555
D
VAL
76
D
O
VAL
54
1_555
85.4
A
THR
75
A
O
THR
53
1_555
A
K
403
G
K
K
1_555
A
THR
75
A
OG1
THR
53
1_555
41.6
A
THR
75
A
O
THR
53
1_555
A
K
403
G
K
K
1_555
B
THR
75
B
O
THR
53
1_555
80.6
A
THR
75
A
OG1
THR
53
1_555
A
K
403
G
K
K
1_555
B
THR
75
B
O
THR
53
1_555
122.1
A
THR
75
A
O
THR
53
1_555
A
K
403
G
K
K
1_555
B
THR
75
B
OG1
THR
53
1_555
53.6
A
THR
75
A
OG1
THR
53
1_555
A
K
403
G
K
K
1_555
B
THR
75
B
OG1
THR
53
1_555
89.5
B
THR
75
B
O
THR
53
1_555
A
K
403
G
K
K
1_555
B
THR
75
B
OG1
THR
53
1_555
43.5
A
THR
75
A
O
THR
53
1_555
A
K
403
G
K
K
1_555
C
THR
75
C
O
THR
53
1_555
128.0
A
THR
75
A
OG1
THR
53
1_555
A
K
403
G
K
K
1_555
C
THR
75
C
O
THR
53
1_555
127.8
B
THR
75
B
O
THR
53
1_555
A
K
403
G
K
K
1_555
C
THR
75
C
O
THR
53
1_555
81.1
B
THR
75
B
OG1
THR
53
1_555
A
K
403
G
K
K
1_555
C
THR
75
C
O
THR
53
1_555
124.6
A
THR
75
A
O
THR
53
1_555
A
K
403
G
K
K
1_555
C
THR
75
C
OG1
THR
53
1_555
133.5
A
THR
75
A
OG1
THR
53
1_555
A
K
403
G
K
K
1_555
C
THR
75
C
OG1
THR
53
1_555
168.2
B
THR
75
B
O
THR
53
1_555
A
K
403
G
K
K
1_555
C
THR
75
C
OG1
THR
53
1_555
54.3
B
THR
75
B
OG1
THR
53
1_555
A
K
403
G
K
K
1_555
C
THR
75
C
OG1
THR
53
1_555
92.4
C
THR
75
C
O
THR
53
1_555
A
K
403
G
K
K
1_555
C
THR
75
C
OG1
THR
53
1_555
43.0
A
THR
75
A
O
THR
53
1_555
A
K
403
G
K
K
1_555
D
THR
75
D
O
THR
53
1_555
78.1
A
THR
75
A
OG1
THR
53
1_555
A
K
403
G
K
K
1_555
D
THR
75
D
O
THR
53
1_555
51.7
B
THR
75
B
O
THR
53
1_555
A
K
403
G
K
K
1_555
D
THR
75
D
O
THR
53
1_555
129.1
B
THR
75
B
OG1
THR
53
1_555
A
K
403
G
K
K
1_555
D
THR
75
D
O
THR
53
1_555
130.9
C
THR
75
C
O
THR
53
1_555
A
K
403
G
K
K
1_555
D
THR
75
D
O
THR
53
1_555
76.9
C
THR
75
C
OG1
THR
53
1_555
A
K
403
G
K
K
1_555
D
THR
75
D
O
THR
53
1_555
119.9
A
THR
75
A
O
THR
53
1_555
A
K
403
G
K
K
1_555
D
THR
75
D
OG1
THR
53
1_555
119.0
A
THR
75
A
OG1
THR
53
1_555
A
K
403
G
K
K
1_555
D
THR
75
D
OG1
THR
53
1_555
87.1
B
THR
75
B
O
THR
53
1_555
A
K
403
G
K
K
1_555
D
THR
75
D
OG1
THR
53
1_555
132.1
B
THR
75
B
OG1
THR
53
1_555
A
K
403
G
K
K
1_555
D
THR
75
D
OG1
THR
53
1_555
169.4
C
THR
75
C
O
THR
53
1_555
A
K
403
G
K
K
1_555
D
THR
75
D
OG1
THR
53
1_555
51.9
C
THR
75
C
OG1
THR
53
1_555
A
K
403
G
K
K
1_555
D
THR
75
D
OG1
THR
53
1_555
89.0
D
THR
75
D
O
THR
53
1_555
A
K
403
G
K
K
1_555
D
THR
75
D
OG1
THR
53
1_555
41.0
A
GLY
77
A
O
GLY
55
1_555
A
K
401
E
K
K
1_555
A
TYR
78
A
O
TYR
56
1_555
66.7
A
GLY
77
A
O
GLY
55
1_555
A
K
401
E
K
K
1_555
B
GLY
77
B
O
GLY
55
1_555
59.2
A
TYR
78
A
O
TYR
56
1_555
A
K
401
E
K
K
1_555
B
GLY
77
B
O
GLY
55
1_555
86.0
A
GLY
77
A
O
GLY
55
1_555
A
K
401
E
K
K
1_555
B
TYR
78
B
O
TYR
56
1_555
120.1
A
TYR
78
A
O
TYR
56
1_555
A
K
401
E
K
K
1_555
B
TYR
78
B
O
TYR
56
1_555
86.0
B
GLY
77
B
O
GLY
55
1_555
A
K
401
E
K
K
1_555
B
TYR
78
B
O
TYR
56
1_555
67.0
A
GLY
77
A
O
GLY
55
1_555
A
K
401
E
K
K
1_555
B
HOH
500
H
O
HOH
1_555
43.9
A
TYR
78
A
O
TYR
56
1_555
A
K
401
E
K
K
1_555
B
HOH
500
H
O
HOH
1_555
105.7
B
GLY
77
B
O
GLY
55
1_555
A
K
401
E
K
K
1_555
B
HOH
500
H
O
HOH
1_555
42.1
B
TYR
78
B
O
TYR
56
1_555
A
K
401
E
K
K
1_555
B
HOH
500
H
O
HOH
1_555
105.4
A
GLY
77
A
O
GLY
55
1_555
A
K
401
E
K
K
1_555
C
GLY
77
C
O
GLY
55
1_555
90.0
A
TYR
78
A
O
TYR
56
1_555
A
K
401
E
K
K
1_555
C
GLY
77
C
O
GLY
55
1_555
145.8
B
GLY
77
B
O
GLY
55
1_555
A
K
401
E
K
K
1_555
C
GLY
77
C
O
GLY
55
1_555
60.1
B
TYR
78
B
O
TYR
56
1_555
A
K
401
E
K
K
1_555
C
GLY
77
C
O
GLY
55
1_555
84.9
B
HOH
500
H
O
HOH
1_555
A
K
401
E
K
K
1_555
C
GLY
77
C
O
GLY
55
1_555
46.2
A
GLY
77
A
O
GLY
55
1_555
A
K
401
E
K
K
1_555
C
TYR
78
C
O
TYR
56
1_555
144.2
A
TYR
78
A
O
TYR
56
1_555
A
K
401
E
K
K
1_555
C
TYR
78
C
O
TYR
56
1_555
146.3
B
GLY
77
B
O
GLY
55
1_555
A
K
401
E
K
K
1_555
C
TYR
78
C
O
TYR
56
1_555
119.3
B
TYR
78
B
O
TYR
56
1_555
A
K
401
E
K
K
1_555
C
TYR
78
C
O
TYR
56
1_555
84.5
B
HOH
500
H
O
HOH
1_555
A
K
401
E
K
K
1_555
C
TYR
78
C
O
TYR
56
1_555
108.0
C
GLY
77
C
O
GLY
55
1_555
A
K
401
E
K
K
1_555
C
TYR
78
C
O
TYR
56
1_555
65.1
A
GLY
77
A
O
GLY
55
1_555
A
K
401
E
K
K
1_555
D
GLY
77
D
O
GLY
55
1_555
59.5
A
TYR
78
A
O
TYR
56
1_555
A
K
401
E
K
K
1_555
D
GLY
77
D
O
GLY
55
1_555
120.1
B
GLY
77
B
O
GLY
55
1_555
A
K
401
E
K
K
1_555
D
GLY
77
D
O
GLY
55
1_555
88.1
B
TYR
78
B
O
TYR
56
1_555
A
K
401
E
K
K
1_555
D
GLY
77
D
O
GLY
55
1_555
143.4
B
HOH
500
H
O
HOH
1_555
A
K
401
E
K
K
1_555
D
GLY
77
D
O
GLY
55
1_555
46.0
C
GLY
77
C
O
GLY
55
1_555
A
K
401
E
K
K
1_555
D
GLY
77
D
O
GLY
55
1_555
59.0
C
TYR
78
C
O
TYR
56
1_555
A
K
401
E
K
K
1_555
D
GLY
77
D
O
GLY
55
1_555
85.1
A
GLY
77
A
O
GLY
55
1_555
A
K
401
E
K
K
1_555
D
TYR
78
D
O
TYR
56
1_555
85.8
A
TYR
78
A
O
TYR
56
1_555
A
K
401
E
K
K
1_555
D
TYR
78
D
O
TYR
56
1_555
85.8
B
GLY
77
B
O
GLY
55
1_555
A
K
401
E
K
K
1_555
D
TYR
78
D
O
TYR
56
1_555
144.4
B
TYR
78
B
O
TYR
56
1_555
A
K
401
E
K
K
1_555
D
TYR
78
D
O
TYR
56
1_555
146.5
B
HOH
500
H
O
HOH
1_555
A
K
401
E
K
K
1_555
D
TYR
78
D
O
TYR
56
1_555
108.1
C
GLY
77
C
O
GLY
55
1_555
A
K
401
E
K
K
1_555
D
TYR
78
D
O
TYR
56
1_555
118.4
C
TYR
78
C
O
TYR
56
1_555
A
K
401
E
K
K
1_555
D
TYR
78
D
O
TYR
56
1_555
84.5
D
GLY
77
D
O
GLY
55
1_555
A
K
401
E
K
K
1_555
D
TYR
78
D
O
TYR
56
1_555
66.5
1.0000000000
0.0000000000
0.0000000000
0.0000000000
1.0000000000
0.0000000000
0.0000000000
0.0000000000
1.0000000000
1_555
x,y,z
identity operation
0.0000000000
0.0000000000
0.0000000000
1
A
CG
ARG
27
A
CG
ARG
5
1
Y
1
A
CD
ARG
27
A
CD
ARG
5
1
Y
1
A
NE
ARG
27
A
NE
ARG
5
1
Y
1
A
CZ
ARG
27
A
CZ
ARG
5
1
Y
1
A
NH1
ARG
27
A
NH1
ARG
5
1
Y
1
A
NH2
ARG
27
A
NH2
ARG
5
1
Y
1
A
CD1
ILE
60
A
CD1
ILE
38
1
Y
1
A
CG
ARG
64
A
CG
ARG
42
1
Y
1
A
CD
ARG
64
A
CD
ARG
42
1
Y
1
A
NE
ARG
64
A
NE
ARG
42
1
Y
1
A
CZ
ARG
64
A
CZ
ARG
42
1
Y
1
A
NH1
ARG
64
A
NH1
ARG
42
1
Y
1
A
NH2
ARG
64
A
NH2
ARG
42
1
Y
1
A
CG
GLU
71
A
CG
GLU
49
1
Y
1
A
CD
GLU
71
A
CD
GLU
49
1
Y
1
A
OE1
GLU
71
A
OE1
GLU
49
1
Y
1
A
OE2
GLU
71
A
OE2
GLU
49
1
Y
1
A
CZ
ARG
117
A
CZ
ARG
95
1
Y
1
A
NH1
ARG
117
A
NH1
ARG
95
1
Y
1
A
NH2
ARG
117
A
NH2
ARG
95
1
Y
1
B
CG
ARG
27
B
CG
ARG
5
1
Y
1
B
CD
ARG
27
B
CD
ARG
5
1
Y
1
B
NE
ARG
27
B
NE
ARG
5
1
Y
1
B
CZ
ARG
27
B
CZ
ARG
5
1
Y
1
B
NH1
ARG
27
B
NH1
ARG
5
1
Y
1
B
NH2
ARG
27
B
NH2
ARG
5
1
Y
1
B
CD1
ILE
60
B
CD1
ILE
38
1
Y
1
B
CG
ARG
64
B
CG
ARG
42
1
Y
1
B
CD
ARG
64
B
CD
ARG
42
1
Y
1
B
NE
ARG
64
B
NE
ARG
42
1
Y
1
B
CZ
ARG
64
B
CZ
ARG
42
1
Y
1
B
NH1
ARG
64
B
NH1
ARG
42
1
Y
1
B
NH2
ARG
64
B
NH2
ARG
42
1
Y
1
B
CG
GLU
71
B
CG
GLU
49
1
Y
1
B
CD
GLU
71
B
CD
GLU
49
1
Y
1
B
OE1
GLU
71
B
OE1
GLU
49
1
Y
1
B
OE2
GLU
71
B
OE2
GLU
49
1
Y
1
B
CZ
ARG
117
B
CZ
ARG
95
1
Y
1
B
NH1
ARG
117
B
NH1
ARG
95
1
Y
1
B
NH2
ARG
117
B
NH2
ARG
95
1
Y
1
C
CG
ARG
27
C
CG
ARG
5
1
Y
1
C
CD
ARG
27
C
CD
ARG
5
1
Y
1
C
NE
ARG
27
C
NE
ARG
5
1
Y
1
C
CZ
ARG
27
C
CZ
ARG
5
1
Y
1
C
NH1
ARG
27
C
NH1
ARG
5
1
Y
1
C
NH2
ARG
27
C
NH2
ARG
5
1
Y
1
C
CD1
ILE
60
C
CD1
ILE
38
1
Y
1
C
CG
ARG
64
C
CG
ARG
42
1
Y
1
C
CD
ARG
64
C
CD
ARG
42
1
Y
1
C
NE
ARG
64
C
NE
ARG
42
1
Y
1
C
CZ
ARG
64
C
CZ
ARG
42
1
Y
1
C
NH1
ARG
64
C
NH1
ARG
42
1
Y
1
C
NH2
ARG
64
C
NH2
ARG
42
1
Y
1
C
CG
GLU
71
C
CG
GLU
49
1
Y
1
C
CD
GLU
71
C
CD
GLU
49
1
Y
1
C
OE1
GLU
71
C
OE1
GLU
49
1
Y
1
C
OE2
GLU
71
C
OE2
GLU
49
1
Y
1
C
CZ
ARG
117
C
CZ
ARG
95
1
Y
1
C
NH1
ARG
117
C
NH1
ARG
95
1
Y
1
C
NH2
ARG
117
C
NH2
ARG
95
1
Y
1
D
CG
ARG
27
D
CG
ARG
5
1
Y
1
D
CD
ARG
27
D
CD
ARG
5
1
Y
1
D
NE
ARG
27
D
NE
ARG
5
1
Y
1
D
CZ
ARG
27
D
CZ
ARG
5
1
Y
1
D
NH1
ARG
27
D
NH1
ARG
5
1
Y
1
D
NH2
ARG
27
D
NH2
ARG
5
1
Y
1
D
CD1
ILE
60
D
CD1
ILE
38
1
Y
1
D
CG
ARG
64
D
CG
ARG
42
1
Y
1
D
CD
ARG
64
D
CD
ARG
42
1
Y
1
D
NE
ARG
64
D
NE
ARG
42
1
Y
1
D
CZ
ARG
64
D
CZ
ARG
42
1
Y
1
D
NH1
ARG
64
D
NH1
ARG
42
1
Y
1
D
NH2
ARG
64
D
NH2
ARG
42
1
Y
1
D
CG
GLU
71
D
CG
GLU
49
1
Y
1
D
CD
GLU
71
D
CD
GLU
49
1
Y
1
D
OE1
GLU
71
D
OE1
GLU
49
1
Y
1
D
OE2
GLU
71
D
OE2
GLU
49
1
Y
1
D
CZ
ARG
117
D
CZ
ARG
95
1
Y
1
D
NH1
ARG
117
D
NH1
ARG
95
1
Y
1
D
NH2
ARG
117
D
NH2
ARG
95
1
Y
1
A
LEU
24
-166.69
-71.94
1
A
ALA
29
-91.37
-67.66
1
A
VAL
34
-59.43
-5.50
1
A
LEU
40
-51.31
-79.32
1
A
TYR
45
-78.78
33.65
1
A
LEU
46
-139.23
-35.99
1
A
LEU
49
-59.89
8.38
1
A
ARG
52
-29.31
-40.86
1
A
ALA
54
178.78
168.60
1
A
PRO
55
-56.95
9.51
1
A
ALA
57
-58.34
-171.69
1
A
GLN
58
-57.32
3.64
1
A
LEU
59
-70.63
40.33
1
A
LEU
66
-49.04
-70.28
1
A
THR
75
53.34
74.28
1
A
ARG
117
-144.35
51.30
1
B
LEU
24
-166.60
-71.99
1
B
ALA
29
-91.16
-67.63
1
B
VAL
34
-59.43
-5.48
1
B
LEU
40
-51.48
-79.15
1
B
TYR
45
-78.80
33.67
1
B
LEU
46
-139.12
-36.21
1
B
LEU
49
-60.33
8.44
1
B
ARG
52
-29.29
-40.95
1
B
ALA
54
178.96
168.72
1
B
PRO
55
-57.09
9.39
1
B
ALA
57
-58.04
-171.88
1
B
GLN
58
-57.26
3.73
1
B
LEU
59
-70.72
40.50
1
B
LEU
66
-49.23
-70.09
1
B
THR
75
53.17
74.38
1
B
ARG
117
-144.54
51.36
1
C
LEU
24
-166.70
-72.08
1
C
ALA
29
-91.13
-67.64
1
C
VAL
34
-59.52
-5.31
1
C
LEU
40
-51.22
-79.01
1
C
TYR
45
-78.88
33.68
1
C
LEU
46
-139.28
-35.93
1
C
LEU
49
-59.86
8.35
1
C
ARG
52
-29.19
-40.88
1
C
ALA
54
178.79
168.57
1
C
PRO
55
-56.84
9.25
1
C
ALA
57
-58.31
-171.63
1
C
GLN
58
-57.37
3.52
1
C
LEU
59
-70.49
40.37
1
C
THR
75
53.97
74.42
1
C
ARG
117
-144.56
51.47
1
D
LEU
24
-166.62
-71.92
1
D
ALA
29
-91.21
-67.51
1
D
VAL
34
-59.65
-5.28
1
D
LEU
40
-51.38
-79.44
1
D
TYR
45
-78.86
33.56
1
D
LEU
46
-139.08
-36.19
1
D
LEU
49
-60.10
8.32
1
D
ARG
52
-29.39
-40.86
1
D
ALA
54
178.60
168.81
1
D
PRO
55
-57.04
9.18
1
D
ALA
57
-58.06
-171.66
1
D
GLN
58
-57.44
3.58
1
D
LEU
59
-70.53
40.58
1
D
LEU
66
-49.23
-70.38
1
D
THR
75
53.25
74.29
1
D
ARG
117
-144.69
51.49
0.29
0.28
0.28
3.2
10.0
1252
12054
10.4
93.3
SHELL
1
GROUP
2.0
MIR
3.2
10.0
1
2824
3
0
2820
0.006
1.1
23.73
0.53
1
RESTRAINTS
1
X-RAY DIFFRACTION
90
3.2
30.0
1BL8
12603
2
0.086
1
6.1
93.3
3.2
3.3
1
2.3
66.6
data reduction
DENZO
data scaling
SCALEPACK
model building
CCP4
PROGRAM SUITE
model building
SHELXL-97
refinement
X-PLOR
3.851
phasing
CCP4
phasing
SHELXL-97
POTASSIUM CHANNEL (KCSA) FROM STREPTOMYCES LIVIDANS
1
N
N
1
N
N
1
N
N
1
N
N
2
N
N
2
N
N
2
N
N
3
N
N
A
ARG
27
A
ARG
5
HELX_P
A
GLU
51
A
GLU
29
1
1
25
A
TYR
62
A
TYR
40
HELX_P
A
THR
74
A
THR
52
1
2
13
A
LEU
86
A
LEU
64
HELX_P
A
THR
112
A
THR
90
1
3
27
B
ARG
27
B
ARG
5
HELX_P
B
GLU
51
B
GLU
29
1
4
25
B
TYR
62
B
TYR
40
HELX_P
B
THR
74
B
THR
52
1
5
13
B
LEU
86
B
LEU
64
HELX_P
B
THR
112
B
THR
90
1
6
27
C
ARG
27
C
ARG
5
HELX_P
C
GLU
51
C
GLU
29
1
7
25
C
TYR
62
C
TYR
40
HELX_P
C
THR
74
C
THR
52
1
8
13
C
LEU
86
C
LEU
64
HELX_P
C
THR
112
C
THR
90
1
9
27
D
ARG
27
D
ARG
5
HELX_P
D
GLU
51
D
GLU
29
1
10
25
D
TYR
62
D
TYR
40
HELX_P
D
THR
74
D
THR
52
1
11
13
D
LEU
86
D
LEU
64
HELX_P
D
THR
112
D
THR
90
1
12
27
metalc
3.400
A
THR
75
A
O
THR
53
1_555
A
K
402
F
K
K
1_555
metalc
3.070
A
THR
75
A
O
THR
53
1_555
A
K
403
G
K
K
1_555
metalc
3.187
A
THR
75
A
OG1
THR
53
1_555
A
K
403
G
K
K
1_555
metalc
3.432
A
VAL
76
A
O
VAL
54
1_555
A
K
402
F
K
K
1_555
metalc
3.135
A
GLY
77
A
O
GLY
55
1_555
A
K
401
E
K
K
1_555
metalc
3.081
A
TYR
78
A
O
TYR
56
1_555
A
K
401
E
K
K
1_555
metalc
3.120
A
K
401
E
K
K
1_555
B
GLY
77
B
O
GLY
55
1_555
metalc
3.066
A
K
401
E
K
K
1_555
B
TYR
78
B
O
TYR
56
1_555
metalc
3.412
A
K
401
E
K
K
1_555
B
HOH
500
H
O
HOH
1_555
metalc
3.149
A
K
401
E
K
K
1_555
C
GLY
77
C
O
GLY
55
1_555
metalc
3.208
A
K
401
E
K
K
1_555
C
TYR
78
C
O
TYR
56
1_555
metalc
3.150
A
K
401
E
K
K
1_555
D
GLY
77
D
O
GLY
55
1_555
metalc
3.081
A
K
401
E
K
K
1_555
D
TYR
78
D
O
TYR
56
1_555
metalc
3.296
A
K
402
F
K
K
1_555
A
K
403
G
K
K
1_555
metalc
3.381
A
K
402
F
K
K
1_555
B
THR
75
B
O
THR
53
1_555
metalc
3.402
A
K
402
F
K
K
1_555
B
VAL
76
B
O
VAL
54
1_555
metalc
3.350
A
K
402
F
K
K
1_555
C
THR
75
C
O
THR
53
1_555
metalc
3.472
A
K
402
F
K
K
1_555
C
VAL
76
C
O
VAL
54
1_555
metalc
3.392
A
K
402
F
K
K
1_555
D
THR
75
D
O
THR
53
1_555
metalc
3.409
A
K
402
F
K
K
1_555
D
VAL
76
D
O
VAL
54
1_555
metalc
2.933
A
K
403
G
K
K
1_555
B
THR
75
B
O
THR
53
1_555
metalc
3.028
A
K
403
G
K
K
1_555
B
THR
75
B
OG1
THR
53
1_555
metalc
3.039
A
K
403
G
K
K
1_555
C
THR
75
C
O
THR
53
1_555
metalc
3.002
A
K
403
G
K
K
1_555
C
THR
75
C
OG1
THR
53
1_555
metalc
3.135
A
K
403
G
K
K
1_555
D
THR
75
D
O
THR
53
1_555
metalc
3.187
A
K
403
G
K
K
1_555
D
THR
75
D
OG1
THR
53
1_555
MEMBRANE PROTEIN
POTASSIUM CHANNEL, INTEGRAL MEMBRANE PROTEIN, MEMBRANE PROTEIN
given
0.126600
0.928780
0.348340
-0.931190
-0.009730
0.364390
0.341830
-0.370510
0.863640
31.41247
86.76519
-12.10887
given
-0.736910
-0.010340
0.675910
0.004580
-0.999940
-0.010300
0.675980
-0.004490
0.736910
112.17546
53.01701
-43.35083
given
0.137220
-0.931030
0.338160
0.929330
0.002860
-0.369240
0.342800
0.364930
0.865630
80.28391
-33.25713
-31.77395
KCSA_STRLI
UNP
1
P0A334
23
119
1BL8
23
119
P0A334
A
1
1
97
23
119
1BL8
23
119
P0A334
B
1
1
97
23
119
1BL8
23
119
P0A334
C
1
1
97
23
119
1BL8
23
119
P0A334
D
1
1
97
1
LEU
engineered mutation
CYS
90
1BL8
A
P0A334
UNP
90
68
2
LEU
engineered mutation
CYS
90
1BL8
B
P0A334
UNP
90
68
3
LEU
engineered mutation
CYS
90
1BL8
C
P0A334
UNP
90
68
4
LEU
engineered mutation
CYS
90
1BL8
D
P0A334
UNP
90
68
FILTER TO SELECT FOR POTASSIUM IONS OVER OTHER MONOVALENT CATIONS.
Author
4
BINDING SITE FOR RESIDUE K A 401
A
K
401
Software
8
BINDING SITE FOR RESIDUE K A 402
A
K
402
Software
9
BINDING SITE FOR RESIDUE K A 403
A
K
403
Software
5
A
VAL
76
A
VAL
54
4
1_555
A
GLY
77
A
GLY
55
4
1_555
A
TYR
78
A
TYR
56
4
1_555
A
GLY
79
A
GLY
57
4
1_555
A
GLY
77
A
GLY
55
8
1_555
A
TYR
78
A
TYR
56
8
1_555
B
GLY
77
B
GLY
55
8
1_555
B
TYR
78
B
TYR
56
8
1_555
C
GLY
77
C
GLY
55
8
1_555
C
TYR
78
C
TYR
56
8
1_555
D
GLY
77
D
GLY
55
8
1_555
D
TYR
78
D
TYR
56
8
1_555
A
THR
75
A
THR
53
9
1_555
A
VAL
76
A
VAL
54
9
1_555
A
K
403
G
K
9
1_555
B
THR
75
B
THR
53
9
1_555
B
VAL
76
B
VAL
54
9
1_555
C
THR
75
C
THR
53
9
1_555
C
VAL
76
C
VAL
54
9
1_555
D
THR
75
D
THR
53
9
1_555
D
VAL
76
D
VAL
54
9
1_555
A
THR
75
A
THR
53
5
1_555
A
K
402
F
K
5
1_555
B
THR
75
B
THR
53
5
1_555
C
THR
75
C
THR
53
5
1_555
D
THR
75
D
THR
53
5
1_555
5
C 1 2 1